Analysis
- max time kernel
148s - max time network
153s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
07/09/2026, 09:18
Behavioral task
behavioral1
Sample
fa8fe81684f85c55e2a4e5dd8b9bc59e779c0d90de7bbd14f556dee82e97f6e9.exe
Resource
win10v2004-20260513-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target fa8fe81684f85c55e2a4e5dd8b9bc59e779c0d90de7bbd14f556dee82e97f6e9.exe
- Size 576KB
- Sample260907-k9mprstbph
- SHA256 fa8fe81684f85c55e2a4e5dd8b9bc59e779c0d90de7bbd14f556dee82e97f6e9
- MD5 415d6dc0c71efec4af56e9c3482c867c
- SHA1 d34df51dd38784f2f024c36fc1ee7762b08b19d2
- SHA512 312d2e4961743fad9bc6245cff0be2d6cca17f032c6d74a9c8600df0d1e198e305d20458c14c8e1c6251d1e58d64e850c85adbabdfadb42a35946e284ca35f9e
- SSDEEP 6144:6cTgav1cdCTuoPbgwmOLJvKRwLSFXdFwirGcEOkCybEaQRXr9HNdvOa+y8K/:6SvO2x9mONvKRwLSFtsOkx2LIa+yx
- TLSH T1C8C46D26B6908072C4779578C4A257AAFBB1BC2127204ACFA390775A1F737D2BE3570D
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 6092 456b4d3f - Unexpected DNS network traffic destination 6 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description flow ioc pid Process Destination IP 16 223.5.5.5 4344 fa8fe81684f85c55e2a4e5dd8b9bc59e779c0d90de7bbd14f556dee82e97f6e9.exe Destination IP 67 114.114.114.114 4344 fa8fe81684f85c55e2a4e5dd8b9bc59e779c0d90de7bbd14f556dee82e97f6e9.exe Destination IP 68 223.5.5.5 4344 fa8fe81684f85c55e2a4e5dd8b9bc59e779c0d90de7bbd14f556dee82e97f6e9.exe Destination IP 1 114.114.114.114 4344 fa8fe81684f85c55e2a4e5dd8b9bc59e779c0d90de7bbd14f556dee82e97f6e9.exe Destination IP 2 223.5.5.5 4344 fa8fe81684f85c55e2a4e5dd8b9bc59e779c0d90de7bbd14f556dee82e97f6e9.exe Destination IP 15 114.114.114.114 4344 fa8fe81684f85c55e2a4e5dd8b9bc59e779c0d90de7bbd14f556dee82e97f6e9.exe - Drops file in System32 directory 17 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 456b4d3f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache 456b4d3f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content 456b4d3f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 456b4d3f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 456b4d3f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE 456b4d3f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 456b4d3f File created C:\Windows\SysWOW64\456b4d3f fa8fe81684f85c55e2a4e5dd8b9bc59e779c0d90de7bbd14f556dee82e97f6e9.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies 456b4d3f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 456b4d3f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 456b4d3f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3EC845F33427F1C99AF855BE8930371C 456b4d3f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft 456b4d3f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData 456b4d3f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\66F835E41EC6A985EB9271E4A70169D7_CF44E3C99F7F4AC558EEB35244F7E046 456b4d3f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3EC845F33427F1C99AF855BE8930371C 456b4d3f File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\81B9B36F9ABC4DA631A4713EE66FAEC6_D78A39BE9A7C3823659C09F61E8BD3E8 456b4d3f -
resource yara_rule behavioral2/memory/4344-0-0x0000000000550000-0x00000000005DC000-memory.dmp upx behavioral2/memory/6092-3-0x0000000000130000-0x00000000001BC000-memory.dmp upx behavioral2/files/0x000700000001b888-2.dat upx behavioral2/memory/4344-15-0x0000000000550000-0x00000000005DC000-memory.dmp upx behavioral2/memory/6092-16-0x0000000000130000-0x00000000001BC000-memory.dmp upx behavioral2/memory/6092-36-0x0000000000130000-0x00000000001BC000-memory.dmp upx - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\684c18 456b4d3f File opened for modification C:\Windows\4a5ef0 fa8fe81684f85c55e2a4e5dd8b9bc59e779c0d90de7bbd14f556dee82e97f6e9.exe - System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language fa8fe81684f85c55e2a4e5dd8b9bc59e779c0d90de7bbd14f556dee82e97f6e9.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 456b4d3f - Modifies data under HKEY_USERS 9 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 456b4d3f Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 456b4d3f Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" 456b4d3f Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" 456b4d3f Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" 456b4d3f Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing 456b4d3f Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 456b4d3f Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 456b4d3f Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" 456b4d3f - Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 6092 456b4d3f 6092 456b4d3f 6092 456b4d3f 6092 456b4d3f 6092 456b4d3f 6092 456b4d3f 6092 456b4d3f 6092 456b4d3f 4344 fa8fe81684f85c55e2a4e5dd8b9bc59e779c0d90de7bbd14f556dee82e97f6e9.exe 4344 fa8fe81684f85c55e2a4e5dd8b9bc59e779c0d90de7bbd14f556dee82e97f6e9.exe 4344 fa8fe81684f85c55e2a4e5dd8b9bc59e779c0d90de7bbd14f556dee82e97f6e9.exe 4344 fa8fe81684f85c55e2a4e5dd8b9bc59e779c0d90de7bbd14f556dee82e97f6e9.exe 4344 fa8fe81684f85c55e2a4e5dd8b9bc59e779c0d90de7bbd14f556dee82e97f6e9.exe 4344 fa8fe81684f85c55e2a4e5dd8b9bc59e779c0d90de7bbd14f556dee82e97f6e9.exe 4344 fa8fe81684f85c55e2a4e5dd8b9bc59e779c0d90de7bbd14f556dee82e97f6e9.exe 4344 fa8fe81684f85c55e2a4e5dd8b9bc59e779c0d90de7bbd14f556dee82e97f6e9.exe 4344 fa8fe81684f85c55e2a4e5dd8b9bc59e779c0d90de7bbd14f556dee82e97f6e9.exe 4344 fa8fe81684f85c55e2a4e5dd8b9bc59e779c0d90de7bbd14f556dee82e97f6e9.exe 4344 fa8fe81684f85c55e2a4e5dd8b9bc59e779c0d90de7bbd14f556dee82e97f6e9.exe 4344 fa8fe81684f85c55e2a4e5dd8b9bc59e779c0d90de7bbd14f556dee82e97f6e9.exe 4344 fa8fe81684f85c55e2a4e5dd8b9bc59e779c0d90de7bbd14f556dee82e97f6e9.exe 4344 fa8fe81684f85c55e2a4e5dd8b9bc59e779c0d90de7bbd14f556dee82e97f6e9.exe - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4344 fa8fe81684f85c55e2a4e5dd8b9bc59e779c0d90de7bbd14f556dee82e97f6e9.exe Token: SeTcbPrivilege 4344 fa8fe81684f85c55e2a4e5dd8b9bc59e779c0d90de7bbd14f556dee82e97f6e9.exe Token: SeDebugPrivilege 6092 456b4d3f Token: SeTcbPrivilege 6092 456b4d3f
Processes
-
C:\Users\Admin\AppData\Local\Temp\fa8fe81684f85c55e2a4e5dd8b9bc59e779c0d90de7bbd14f556dee82e97f6e9.exe"C:\Users\Admin\AppData\Local\Temp\fa8fe81684f85c55e2a4e5dd8b9bc59e779c0d90de7bbd14f556dee82e97f6e9.exe"1⤵
- Unexpected DNS network traffic destination
- Drops file in System32 directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4344
-
C:\Windows\Syswow64\456b4d3fC:\Windows\Syswow64\456b4d3f1⤵
- Executes dropped EXE
- Drops file in System32 directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:6092
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\SysWOW64\456b4d3f
- Size 576KB
- SHA256 402276a5797b2506f61d02bcdd53ea5a0f96639767b7d155d3fa2c8ee86260e3
- MD5 fa25b4a912d053760bd97b44da350e8c
- SHA1 3382ee10aef277e8a091a584678b8fa7be5e9f58
- SHA512 7c2e6d7362859ae49ef07ff3ffb07e7c5eca25cc3d1f96fc3c23710bbcc75728085400337283e2a19dc879e28187c33a0b746e4b61ca625f86831dff1ef9880a
- SSDEEP 6144:DcTgav1cdCTuoPbgwmOLJvKRwLSFXdFwirGcEOkCybEaQRXr9HNdvOa+y8K/:DSvO2x9mONvKRwLSFtsOkx2LIa+yx
- TLSH T1D0C46D26B6908072C4779578C4A257AAFBB1BC2127204ACFA390775A1F737D2BE3570D
- MD5 SHA1 SHA512 SSDEEP TLSH